Module: Kumi::IR::Vec::Passes::Support::InstructionCloner

Defined in:
lib/kumi/ir/vec/passes/support/instruction_cloner.rb

Class Method Summary collapse

Class Method Details

.clone(instr, inputs, attributes: nil, metadata: nil, result: nil, axes: nil, dtype: nil) ⇒ Object 



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# File 'lib/kumi/ir/vec/passes/support/instruction_cloner.rb', line 11

def clone(instr, inputs, attributes: nil, metadata: nil, result: nil, axes: nil, dtype: nil)
  metadata ||= instr.metadata || { dtype: instr.dtype, axes: instr.axes }
  attrs = attributes || instr.attributes || {}
  result ||= instr.result
  axes ||= metadata[:axes] || instr.axes
  dtype ||= metadata[:dtype] || instr.dtype

  case instr.opcode
  when :constant
    Ops::Constant.new(result:, value: attrs[:value], axes:, dtype:, metadata:)
  when :load_input
    Ops::LoadInput.new(result:, key: attrs[:key], chain: attrs[:chain] || [], axes:, dtype:, metadata:)
  when :load_field
    Ops::LoadField.new(result:, object: inputs.first, field: attrs[:field], axes:, dtype:, metadata:)
  when :map
    Ops::Map.new(result:, fn: attrs[:fn], args: inputs, axes:, dtype:, metadata:)
  when :select
    Ops::Select.new(result:, cond: inputs[0], on_true: inputs[1], on_false: inputs[2], axes:, dtype:, metadata:)
  when :axis_broadcast
    Ops::AxisBroadcast.new(result:, value: inputs.first, from_axes: attrs[:from_axes], to_axes: attrs[:to_axes], dtype:,
                           metadata:)
  when :axis_shift
    Ops::AxisShift.new(result:, source: inputs.first, axis: attrs[:axis], offset: attrs[:offset], policy: attrs[:policy],
                       axes:, dtype:, metadata:)
  when :axis_cross
    Ops::AxisCross.new(result:, source: inputs.first, axis: attrs[:axis], source_axis: attrs[:source_axis],
                       axes:, dtype:, metadata:)
  when :axis_outer
    Ops::AxisOuter.new(result:, source: inputs.first, axis: attrs[:axis], source_axis: attrs[:source_axis],
                       axes:, dtype:, metadata:)
  when :axis_index
    Ops::AxisIndex.new(result:, axis: attrs[:axis], axes:, dtype:, metadata:)
  when :reduce
    Ops::Reduce.new(result:, fn: attrs[:fn], arg: inputs.first, over_axes: attrs[:over_axes], axes:, dtype:, metadata:)
  when :make_object
    Ops::MakeObject.new(result:, inputs: inputs, keys: attrs[:keys], axes:, dtype:, metadata:)
  else
    # No clone branch would silently keep the original inputs/result,
    # corrupting references when a Vec pass remaps registers. Every
    # Vec opcode must have a clone branch — fail loudly if one is missing.
    raise ArgumentError,
          "InstructionCloner has no clone branch for Vec opcode #{instr.opcode.inspect}. " \
          "Add one here (it must thread `inputs`/`result`/`attrs`), otherwise register " \
          "remapping in Vec passes will silently corrupt references to this instruction."
  end
end